All this time I thought the prizepool was fixed as what being announced by freebitco.in PR just like here
What announced by freebitco.in PR doesn't seem to be correct.
I calculated the value of prizes in the last three rounds.
Round 280 (October 11) BTC price: 11,400 dollar
Total pool: 0.777 BTC =
8858 dollarFirst winner prize: 0.388 BTC =
4,423 dollarRound 281 (October 18) BTC price at Sep 27: 11,400 dollar
Total pool: 0.848 BTC =
9667 dollarFirst winner prize: 0.424 BTC =
4,834 dollarRound 282 (October 25) BTC price: 13,000 dollar
Total pool: 0.632 BTC =
8216 dollarFirst winner prize: 0.316 BTC =
4,108 dollar